double bond

noun

: a chemical bond in which two pairs of electrons are shared by two atoms in a molecule compare single bond, triple bond

Examples of double bond in a Sentence

Recent Examples on the Web

The main difference between delta-8 and delta-9 THC is the location of a double bond: delta-8 has it on the eighth carbon, while delta-9 has it on the ninth. —Brandi D. Addison, Austin American-Statesman, 16 July 2024

Most polymers have at least one carbon-carbon double bond, which is much easier to break. —Elizabeth Rayne, Ars Technica, 21 Sep. 2024

Delta-8 looks much like delta-9 THC — the more common molecule in cannabis that makes people feel high — but has a slightly different structure, with a double bond located between a different set of carbon atoms. —Emily Alpert Reyes, Los Angeles Times, 13 Mar. 2024

Delta 8 has a double bond on the eighth carbon atom, while delta 9 has it on the ninth carbon atom. —Amber Smith, Discover Magazine, 8 Sep. 2023

Word History

First Known Use

1889, in the meaning defined above

Kids Definition

double bond

noun

: a chemical bond in which two atoms in a molecule share two pairs of electrons compare single bond, triple bond

Medical Definition

double bond

noun

: a chemical bond in which two pairs of electrons are shared by two atoms in a molecule and which is usually represented in chemical formulas by two lines (as in the formula for ethylene H₂C=CH₂) compare triple bond see unsaturated sense b